A 19-year-old male has been arrested on suspicion of murder and is currently assisting police with their enquiries.
Speaking about the arrest, Detective Inspector Deborah Eakin stated: “We are investigating the murder of Ryan Macrae following an incident in the area of Church Street, Portaferry, shortly before 1 am on Sunday 14th October 2018.
“Following the incident the victim was admitted to hospital and unfortunately he subsequently passed away last night.
“Two people were charged following the incident and a 19 year old man has now been further arrested on suspicion of Ryan’s murder.
“I would appeal to anyone who was present at the scene or who attempted to assist the victim after the attack in Church Street at 1 am on Sunday 14th October 2018 to contact Detectives in Musgrave on the non-emergency number 101, quoting reference 84 14/10/2018.
“Alternatively, information can also be provided to the independent charity Crimestoppers on 0800 555 111.”